The R3-12.10L is an electric strike for remote opening of left-hand and double-leaf doors and gates. It is made of aluminum alloys with powder coating. The reduction of the strike to the specified dimensions is achieved through a lever mechanism, so it fits all door frames. It can be used with a door phone and video door phone installation on entrance doors of single-family homes and apartment buildings. It is made of corrosion-resistant materials and can be installed outdoors.